package cn.com.zpark.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @PackageName: cn.com.zpark.filter
 * @ClassName: FilterDemo02
 * @Description:
 * @author: RZS
 * @date: 2021/11/17  17:26
 */
@WebFilter("/user/*")
public class FilterDemo02 implements Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        // 强转成HttpServletRequest、HttpServletResponse
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;

        // 处理请求、响应乱码
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");

        // 放行、继续访问后续的资源
        filterChain.doFilter(request, response);
    }
}
